/*
 *  Copyright 2010 mazhao.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package shopping.commons;

import com.octo.captcha.engine.image.gimpy.DefaultGimpyEngine;
import com.octo.captcha.service.image.ImageCaptchaService;
import com.octo.captcha.service.image.DefaultManageableImageCaptchaService;

/**
 *
 * @author mazhao
 */
public class CaptchaServiceSingleton {

    private static final DefaultManageableImageCaptchaService instance = new DefaultManageableImageCaptchaService();

    /**
     * This is a simpler image engine.
     */
    static {
        DefaultGimpyEngine engine = new DefaultGimpyEngine();
        instance.setCaptchaEngine(engine);
    }

    /**
     * get instance method(singleton)
     * @return image captcha service
     */
    public static ImageCaptchaService getInstance(){
        return instance;
    }
}
